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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Schizophreniform Disorders Clear all
Completed Phase 4 Interventional Results available

Treatment of Early Onset Schizophrenia Spectrum Disorders (TEOSS)

NCT00053703
View directory record Official record
Conditions
Schizophrenia
Interventions
Risperidone, Olanzapine (enrollment closed in this treatment), Molindone
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
8 Years to 19 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
4
States / cities
Medford, Massachusetts • Chapel Hill, North Carolina • Cleveland, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2014 · Synced Jul 22, 2026, 5:04 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Long-term Safety, Tolerability, and Durability of Treatment Effect of ALKS 3831

NCT03201757
View directory record Official record
Conditions
Schizophrenia, Schizophreniform Disorder, Bipolar I Disorder
Interventions
ALKS 3831
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
16 Years to 70 Years
Enrollment
523 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
49
States / cities
Little Rock, Arkansas • Rogers, Arkansas • Anaheim, California + 40 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2024 · Synced Jul 22, 2026, 5:04 AM EDT
Completed Not applicable Interventional

Family-Directed Cognitive Adaptation Program for Individuals With Schizophrenia

NCT00434980
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder
Interventions
Family-Directed Cognitive Adaptation Program
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2015
U.S. locations
2
States / cities
Boston, Massachusetts • Jamaica Plain, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 13, 2017 · Synced Jul 22, 2026, 5:04 AM EDT
Completed Not applicable Interventional

Multi-disciplinary Treatment for Patients Experiencing First Episode of Psychosis

NCT01216891
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder, Delusional Disorder, Psychosis
Interventions
Multi-element, team-oriented treatment
Behavioral
Lead sponsor
Research Foundation for Mental Hygiene, Inc.
Other
Eligibility
15 Years to 35 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
2
States / cities
Baltimore, Maryland • New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 2, 2016 · Synced Jul 22, 2026, 5:04 AM EDT
Completed Phase 4 Interventional Results available

Efficacy Study of Early Onset of Antipsychotic Drug Action in Schizophrenia

NCT00337662
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder
Interventions
olanzapine, risperidone
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 65 Years
Enrollment
628 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
31
States / cities
Little Rock, Arkansas • Escondido, California • Garden Grove, California + 28 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2010 · Synced Jul 22, 2026, 5:04 AM EDT
Completed Not applicable Interventional Results available

Minnesota Community-Based Cognitive Training in Early Psychosis

NCT03079024
View directory record Official record
Conditions
Schizophrenia, Psychosis, Schizoaffective Disorder, Schizophreniform Disorders, Psychosis NOS, Depression Psychotic Feature, Bipolar Disorder With Psychotic Features, Unspecified Psychosis
Interventions
Targeted Cognitive Training, General Cognitive Exercises, Coordinated Specialty Care for First Episode Psychosis
Device · Other
Lead sponsor
University of Minnesota
Other
Eligibility
16 Years to 35 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 22, 2025 · Synced Jul 22, 2026, 5:04 AM EDT
Completed Phase 4 Interventional Results available

Comparison of Aripiprazole and Risperidone for the Treatment of People With First-Episode Psychosis

NCT00320671
View directory record Official record
Conditions
Schizophrenia
Interventions
Aripiprazole, Risperidone
Drug
Lead sponsor
Northwell Health
Other
Eligibility
15 Years to 40 Years
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2015
U.S. locations
1
States / cities
Glen Oaks, New York
Source: ClinicalTrials.gov public record
Updated Sep 7, 2016 · Synced Jul 22, 2026, 5:04 AM EDT
Terminated Phase 4 Interventional Results available

Antipsychotic Effects on Brain Function in Schizophrenia

NCT01913327
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder
Interventions
Aripiprazole, Risperidone, Modafinil
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 40 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 19, 2020 · Synced Jul 22, 2026, 5:04 AM EDT
Completed Phase 4 Interventional Results available

Effects of Pravastatin on Cholesterol, Inflammation and Cognition in Schizophrenia

NCT01082588
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorders, Schizophreniform Disorders
Interventions
Pravastatin, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 68 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 27, 2014 · Synced Jul 22, 2026, 5:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Neural Oscillations as Genetic and Functional Biomarkers in Normal and Disease States

NCT01425671
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder
Interventions
Not listed
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
14 Years to 62 Years
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 25, 2024 · Synced Jul 22, 2026, 5:04 AM EDT
Completed Phase 4 Interventional Results available

DECIFER: Depression and Citalopram In First Episode Recovery

NCT01041274
View directory record Official record
Conditions
Schizophrenia, Schizophreniform Disorder
Interventions
Citalopram, Placebo, Psychoeducation, Cognitive Behavioral Therapy (CBT), Functional Magnetic Resonance Imaging (fMRI)
Drug · Behavioral · Radiation
Lead sponsor
NYU Langone Health
Other
Eligibility
16 Years to 40 Years
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Jul 22, 2026, 5:04 AM EDT
Terminated Phase 4 Interventional

Functional Brain Imaging and Employment in First-Episode Psychotic Patients Treated With Risperdal

NCT00314613
View directory record Official record
Conditions
Schizophrenia
Interventions
Antipsychotic/Risperidone Consta
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 40 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
2
States / cities
Butner, North Carolina • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 1, 2017 · Synced Jul 22, 2026, 5:04 AM EDT
Completed Not applicable Interventional Results available

Omega-3 Dietary Supplements in Schizophrenia

NCT01786239
View directory record Official record
Conditions
Schizophrenia, Schizophreniform Disorder, Schizoaffective Disorder, Bipolar Disorder, Psychosis NOS
Interventions
Risperidone, Omega-3 capsules, Placebo
Drug
Lead sponsor
Delbert Robinson
Other
Eligibility
15 Years to 40 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Glen Oaks, New York
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Jul 22, 2026, 5:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Peripheral Immune System in Individuals With Schizophrenia

NCT05109065
View directory record Official record
Conditions
Schizophrenia, Schizo Affective Disorder, Schizophreniform Disorders
Interventions
SCID (Standardized Clinical Interview for DSM-V), PSS (Perceived Stress Score), Urine Toxicology Screen, Vitals, Blood Work, PQ-B, COVID Screening, Positive and Negative Syndrome Scale (PANSS)
Diagnostic Test
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 40 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 5, 2025 · Synced Jul 22, 2026, 5:04 AM EDT
Completed Not applicable Interventional Results available

Targeting Stress Reactivity in Schizophrenia: Integrated Coping Awareness Therapy

NCT03067311
View directory record Official record
Conditions
Schizophreniform Disorders
Interventions
I-CAT, Treatment as Usual
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
15 Years to 35 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
4
States / cities
Carrboro, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 2, 2021 · Synced Jul 22, 2026, 5:04 AM EDT
Completed Phase 4 Interventional

The Assessment of a Weight-Gain Agent for the Treatment of Olanzapine-Associated Anti-Obesity Agent in Patients With Schizophrenia, Schizophreniform Disorder, Schizoaffective Disorder, and Bipolar I Disorder

NCT00044187
View directory record Official record
Conditions
Schizophrenia, Psychotic Disorders, Bipolar Disorder
Interventions
Sibutramine
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 65 Years
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
16
States / cities
El Centro, California • Jacksonville, Florida • Miami, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2006 · Synced Jul 22, 2026, 5:04 AM EDT
Terminated Phase 4 Interventional Results available

Optimizing Response in Psychosis Study

NCT00314327
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder, Psychotic Disorder Not Otherwise Specified
Interventions
long-acting injectable risperidone
Drug
Lead sponsor
Northwell Health
Other
Eligibility
15 Years to 40 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2013
U.S. locations
2
States / cities
Brooklyn, New York • Glen Oaks, New York
Source: ClinicalTrials.gov public record
Updated May 15, 2018 · Synced Jul 22, 2026, 5:04 AM EDT
Active, not recruiting Not applicable Interventional

Young Adults With Violent Behavior During Early Psychosis (Aim 2)

NCT05756855
View directory record Official record
Conditions
Schizophrenia, Schizo Affective Disorder, Schizophreniform Disorders, Delusional Disorder, Other Specified Schizophrenia Spectrum and Other Psychotic Disorder
Interventions
adapted behavioral intervention
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
16 Years to 30 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 4, 2025 · Synced Jul 22, 2026, 5:04 AM EDT
Completed Not applicable Interventional

Prospective Pharmacogenetic Testing and Clinical Outcomes in Patients With Early-Phase Psychosis

NCT02566057
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder, Psychotic Disorders, Bipolar Disorder
Interventions
PGx testing guided treatment (PGT)
Biological
Lead sponsor
Northwell Health
Other
Eligibility
15 Years to 64 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Glen Oaks, New York
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Jul 22, 2026, 5:04 AM EDT
Recruiting No phase listed Observational

Biomarkers/Biotypes, Course of Early Psychosis and Specialty Services

NCT06740383
View directory record Official record
Conditions
Schizophrenia Spectrum and Other Psychotic Disorders, Schizophrenia, Delusional Disorder, Bipolar 1 Disorder, Schizoaffective Disorder, Psychosis Not Otherwise Specified, Early Psychosis
Interventions
Not listed
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 40 Years
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
6
States / cities
Hartford, Connecticut • Athens, Georgia • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Jul 22, 2026, 5:04 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Adult Study Oxytocin - Behavioral

NCT02567032
View directory record Official record
Conditions
Schizophrenia, Oxytocin, Social Cognition, Psychotic Disorders
Interventions
Oxytocin, Saline Nasal Spray
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
324 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2019
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 25, 2020 · Synced Jul 22, 2026, 5:04 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Remote State Representation in Early Psychosis

NCT05538832
View directory record Official record
Conditions
Psychosis, Schizophrenia, Schizo Affective Disorder, Schizoaffective Disorder, Schizophreniform Disorders, Psychotic Disorders, Psychotic Mood Disorders, Psychoses, Affective, Psychosis Nos/Other, Schizophrenia Spectrum and Other Psychotic Disorders
Interventions
BrainHQ Computerized Cognitive Training - Visual Perception Training Paradigm, BrainHQ Computerized Cognitive Training - Visual Cognitive Control Training Paradigm
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 30 Years
Enrollment
152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Jul 22, 2026, 5:04 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Levetiracetam in Early Psychosis

NCT03129360
View directory record Official record
Conditions
Psychosis, Schizophrenia, Schizo Affective Disorder, Schizophreniform
Interventions
Levetiracetam, Placebo
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
16 Years to 35 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 20, 2022 · Synced Jul 22, 2026, 5:04 AM EDT
Completed Phase 4 Interventional

An Open-label Trial of Metformin for Weight Control of Pediatric Patients on Antipsychotic Medications.

NCT00391261
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder, Bipolar Disorder, Autism Spectrum Disorders
Interventions
Metformin
Drug
Lead sponsor
Cambridge Health Alliance
Other
Eligibility
10 Years to 18 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Medford, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 24, 2010 · Synced Jul 22, 2026, 5:04 AM EDT